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  • Word comparison: penetrance vs. expressivity

penetrance vs. expressivity

penetrance

noun

Genetics.
  1. the frequency, expressed as a percentage, with which a particular gene produces its effect in a group of organisms. Compare expressivity ( def 2 ).

expressivity

noun

  1. the quality or state of being expressive.
  2. Genetics. the degree to which a particular gene produces its effect in an organism.